Pragma Header - backwards compatibility with HTTP/1.0
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The Pragma HTTP/1.0 general header is an implementation-specific header that may have various effects along the request-response chain. It is used for backwards compatibility with HTTP/1.0 caches where the Cache-Control HTTP/1.1 header is not yet present.
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Meta keywords
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Meta keywords are types of meta tags in the HTML source code of a webpage. They describe the content of a website shortly and concisely,this website is using the following keywords: парсер,парсер сайтов,парсер скачать,бесплатный парсер,парсер компаний,email парсер,parser компаний,база email,купить базу данных,организации список,организации база,список компаний,фирмы список,фирмы база,база данных email,email база,емейлы,парсер email,база телефонов,парсер email,база яндекс карт,парсер телефонов скачать,парсер email адресов,парсер яндекс карт,бесплатно парсер email,парсер email торрент,база email скачать,парсер email скачать бесплатно,база данных email,парсер email полная верс
Post Cache-Control Header
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this website is using post-heck Cache-Control Header.
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Precheck Cache-Control Header
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this website is using precheck Cache-Control Header.
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Must Revalidate HTTP Cache-Control
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Indicates that once a resource has become stale (e.g. max-age has expired), a cache must not use the response to satisfy subsequent requests for this resource without successful validation on the origin server.
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NO Store HTTP Cache-Control
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The cache should not store anything about the client request or server response.
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No Cache Content
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Forces caches to submit the request to the origin server for validation before releasing a cached copy.
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Vary Header Accept-Encoding
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The Accept-Encoding request HTTP header advertises which content encoding, usually a compression algorithm, the client is able to understand. Using content negotiation, the server selects one of the proposals, uses it and informs the client of its choice with the Content-Encoding response header.
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